cregit-Linux how code gets into the kernel

Release 4.14 arch/alpha/include/asm/vga.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *      Access to VGA videoram
 *
 *      (c) 1998 Martin Mares <mj@ucw.cz>
 */

#ifndef _LINUX_ASM_VGA_H_

#define _LINUX_ASM_VGA_H_

#include <asm/io.h>


#define VT_BUF_HAVE_RW

#define VT_BUF_HAVE_MEMSETW

#define VT_BUF_HAVE_MEMCPYW


static inline void scr_writew(u16 val, volatile u16 *addr) { if (__is_ioaddr(addr)) __raw_writew(val, (volatile u16 __iomem *) addr); else *addr = val; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)3687.80%466.67%
Richard Henderson49.76%116.67%
Ivan Kokshaysky12.44%116.67%
Total41100.00%6100.00%


static inline u16 scr_readw(volatile const u16 *addr) { if (__is_ioaddr(addr)) return __raw_readw((volatile const u16 __iomem *) addr); else return *addr; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)3284.21%571.43%
Richard Henderson513.16%114.29%
Ivan Kokshaysky12.63%114.29%
Total38100.00%7100.00%


static inline void scr_memsetw(u16 *s, u16 c, unsigned int count) { if (__is_ioaddr(s)) memsetw_io((u16 __iomem *) s, c, count); else memset16(s, c, count / 2); }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)4282.35%240.00%
Richard Henderson59.80%120.00%
Matthew Wilcox35.88%120.00%
Ivan Kokshaysky11.96%120.00%
Total51100.00%5100.00%

/* Do not trust that the usage will be correct; analyze the arguments. */ extern void scr_memcpyw(u16 *d, const u16 *s, unsigned int count); /* ??? These are currently only used for downloading character sets. As such, they don't need memory barriers. Is this all they are intended to be used for? */ #define vga_readb(a) readb((u8 __iomem *)(a)) #define vga_writeb(v,a) writeb(v, (u8 __iomem *)(a)) #ifdef CONFIG_VGA_HOSE #include <linux/ioport.h> #include <linux/pci.h> extern struct pci_controller *pci_vga_hose; # define __is_port_vga(a) \ (((a) >= 0x3b0) && ((a) < 0x3e0) && \ ((a) != 0x3b3) && ((a) != 0x3d3)) # define __is_mem_vga(a) \ (((a) >= 0xa0000) && ((a) <= 0xc0000)) # define FIXUP_IOADDR_VGA(a) do { \ if (pci_vga_hose && __is_port_vga(a)) \ (a) += pci_vga_hose->io_space->start; \ } while(0) # define FIXUP_MEMADDR_VGA(a) do { \ if (pci_vga_hose && __is_mem_vga(a)) \ (a) += pci_vga_hose->mem_space->start; \ } while(0) #else /* CONFIG_VGA_HOSE */ # define pci_vga_hose 0 # define __is_port_vga(a) 0 # define __is_mem_vga(a) 0 # define FIXUP_IOADDR_VGA(a) # define FIXUP_MEMADDR_VGA(a) #endif /* CONFIG_VGA_HOSE */ #define VGA_MAP_MEM(x,s) ((unsigned long) ioremap(x, s)) #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)16358.63%650.00%
Jay Estabrook8129.14%18.33%
Richard Henderson248.63%18.33%
Ivan Kokshaysky31.08%18.33%
Matthew Wilcox31.08%18.33%
Björn Helgaas31.08%18.33%
Greg Kroah-Hartman10.36%18.33%
Total278100.00%12100.00%
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